bun
brew install bunIncredibly fast JavaScript runtime, bundler, test runner, and package manager
License: MIT AND LGPL-2.0-or-later AND Apache-2.0 AND BSD-2-Clause AND BSD-3-Clause AND IJG AND LGPL-2.1-or-later AND Zlib AND (Apache-2.0 WITH LLVM-exception)
Development: Pull requests
Formula JSON API: /api/formula/bun.json
Formula code: bun.rb on GitHub
Bottle (binary package) installation support provided for:
| macOS on Apple Silicon |
golden gate | ✅ |
|---|---|---|
| tahoe | ✅ | |
| sequoia | ✅ | |
| Linux | ARM64 | ✅ |
| x86_64 | ✅ |
Current versions:
| stable | ✅ | 1.4.4 |
Revision: 1
Depends on when building from source:
| cmake | 4.4.5 | Cross-platform make |
| llvm | 23.1.4 | Next-gen compiler infrastructure |
| ninja | 1.13.2 | Small build system for use with gyp or CMake |
| rust | 1.99.1 | Safe, concurrent, practical language |
Uses from macOS: llvm (build), perl (build), python (build), ruby (build), unzip (build)
Binaries:
bun,
bunx
GitHub Packages downloads:
| Last 30 days | 65,448 |
|---|---|
| Downloads | 217,584 |
| Analytics install events (30 days) | 12,936 |
| Downloads / install events (30 days) | 5.1× |
Source: GitHub Packages, fetched 2026-11-02T00:42:38Z. Analytics dates: 2026-10-03 to 2026-11-02. Totals exclude downloads from Bintray before the migration to GitHub Packages. Downloads and install attempts measure different things; the difference does not count analytics opt-outs. Definitions and limitations.
Analytics:
| 30 days | 90 days | 365 days | |
|---|---|---|---|
| Installs | 12,916 | 24,675 | 37,988 |
Installs (--HEAD) | 20 | 38 | 55 |
| Installs on Request | 11,381 | 22,162 | 35,223 |
Installs on Request (--HEAD) | 20 | 38 | 55 |
| Build Errors | 317 |